Answer:
A. Class size can help us predict school achievement
Explanation:
Answer:
A group association that may be helpful in generating a hypothesis about the relationship between fish consumption and coronary heart disease.
Explanation:
The scientific hypothesis explains about the reason and explanation of the particular phenomena. The hypothesis is mainly based on the environmental observations of the scientist.
While explaining the hypothesis about the particular relationship between two things, at least some group association is required. The group association is helpful in the observation and effect of the relationship between the individual. The fish consumption and coronary heart disease must be a group association for the hypothesis development.
Thus, the correct answer is option (A).
Answer:
arteries
Explanation:
arteries are blood vessels that function to drain oxygen-rich blood. from the heart to the whole body
Arteriosclerosis is hardening of the arteries due to a buildup of plaque on the hardened artery walls. Arteries can make blood flow to organs not smooth so that it interferes with the function of these organs.